Support bracket



FIG. 1 is a perspective view of a support bracket showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a side elevational view thereof;

FIG. 6 is a back elevational view thereof; 

The ornamental design for a support bracket, substantially as shown and described. 